本文整理汇总了C++中TGraph2D::Clone方法的典型用法代码示例。如果您正苦于以下问题：C++ TGraph2D::Clone方法的具体用法？C++ TGraph2D::Clone怎么用？C++ TGraph2D::Clone使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TGraph2D的用法示例。
在下文中一共展示了TGraph2D::Clone方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: fillGraphsFromFilesDeltaNLL
void fillGraphsFromFilesDeltaNLL( const TString& par1name,
const TString& par2name,
const vector<TString>& fnames,
vector<string>& keys,
map<string,TGraph2D *>& m_graphs)
{
std::cout << "fillGraphsFromFilesDeltaNLL 1" << std::endl;
keys.push_back("exp68");
keys.push_back("exp95");
keys.push_back("exp99");
// uncommented below to plot observed!
keys.push_back("obs95");
TGraph2D *grobs = new TGraph2D();
TGraph2D *grexp = new TGraph2D();
m_graphs["obs95"] = grobs;
m_graphs["exp95"] = grexp;
grobs->SetName("graph2Dobs95");
grexp->SetName("graph2Dexp95");
Int_t nobs=0, nexp=0;
for( size_t i=0; i<fnames.size(); i++) {
TFile *f = new TFile(fnames[i]);
TTree *t = (TTree *) f->Get("limit");
if (!t) {
std::cerr<<"TFile "<<f->GetName()<<" does not contain the tree"<<std::endl;
return;
}
cout << fnames[i] << " has limit tree with " << t->GetEntries() << " entries." << endl;
Float_t deltaNLL, par1, par2;
Int_t iToy;
t->SetBranchAddress("iToy", &iToy);
t->SetBranchAddress("deltaNLL", &deltaNLL);
t->SetBranchAddress(par1name, &par1);
t->SetBranchAddress(par2name, &par2);
for (size_t j = 0, n = t->GetEntries(); j < n; ++j) {
t->GetEntry(j);
printf ("%d\r",j);
if( !iToy){
// cout <<"!iToy" << endl;
grobs->SetPoint(nobs++,par1,par2,2*deltaNLL);
// cout <<"grobs->SetPoint("<<nobs++<<","<<par1<<","<< par2<< ","<< 2*deltaNLL << endl;
}
else if (iToy == -1) {
// cout <<"iToy == -1" << endl;
grexp->SetPoint(nexp++,par1,par2,2*deltaNLL);
}
else {
cerr << "Unexpected value for iToy, = " << iToy << endl;
exit(-1);
}
} // tree entry loop
f->Close();
delete f;
} // file loop
cout << endl;
m_graphs["exp68"] = (TGraph2D*)grexp->Clone("graph2Dexp68");
m_graphs["exp99"] = (TGraph2D*)grexp->Clone("graph2Dexp99");
#if 0
TCanvas *canv = new TCanvas("tester","tester",500,500);
cout << grexp->GetN()<<" points. " <<endl;
grexp->Draw("TRI"); // cont 5z list");
#endif
} // fillGraphsFromFilesDeltaNLL